101219271672 has 32 divisors (see below), whose sum is σ = 266366505600. Its totient is φ = 31963980384.

The previous prime is 101219271649. The next prime is 101219271697. The reversal of 101219271672 is 276172912101.

It is a self number, because there is not a number n which added to its sum of digits gives 101219271672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110985588 + ... + 110986499.

It is an arithmetic number, because the mean of its divisors is an integer number (8323953300).

Almost surely, 2^101219271672 is an apocalyptic number.

101219271672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101219271672 is an abundant number, since it is smaller than the sum of its proper divisors (165147233928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101219271672 is a wasteful number, since it uses less digits than its factorization.

101219271672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221972115 (or 221972111 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 39.

The spelling of 101219271672 in words is "one hundred one billion, two hundred nineteen million, two hundred seventy-one thousand, six hundred seventy-two".